Home / 13,515,532.67-20,273,084.26-3,280,477.16

Finding the Fourth Proportional to 13,515,532.67, 20,273,084.26 and 3,280,477.16

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Solution

The fourth proportional to 13,515,532.67, 20,273,084.26 and 3,280,477.16 is: 4,920,663.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,515,532.67 : 20,273,084.26 = 3,280,477.16 : x
  2. Step 2: Convert to fraction form
    13,515,532.67/20,273,084.26 = 3,280,477.16/x
  3. Step 3: Cross multiply
    13,515,532.67x = 20,273,084.26 × 3,280,477.16
  4. Step 4: Simplify right side
    13,515,532.67x = 66,505,389,920,167.02
  5. Step 5: Solve for x
    x = 66,505,389,920,167.02/13,515,532.67
  6. Step 6: Final answer
    x = 4,920,663.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.